<div class="form-group" fd-property="$class">
    <label>Class</label> <input type="text" name="$class" class="form-control" placeholder="样式"/>
</div>
<div class="form-group" fd-property="style">
    <label>Style</label>
    <textarea class="form-control" name="style"></textarea>
</div>
<div class="form-group" fd-property="title">
    <label>Title</label> <input type="text" name="title" class="form-control" placeholder="鼠标悬浮时显示的文本"/>
</div>